This portable balance charger from BOL is designed to effectively charge 2 - 3 cell Li Po and Li-Ion batteries. Featuring 3 king of charging methods with a 0.01v +/- step:
Trickle current charge,
Constant current charge, and
Constant Voltage.
As well as a function that protects against short circuiting.
Real time LED indicators for each of the 3 cells indicate the charged status of each cell. An 3 letter LED display is also present for settings and instructions.